<div class="upload-btn-group" style="display: flex;">
    <button mdl-button mdl-button-type="mini-fab" mdl-colored="primary" id="{{ instanceId }}">
        <mdl-icon>add</mdl-icon>
    </button>
    <div class="upload-btn-item" *ngFor="let res of PhotoSrc; let i = index;" style="display: flex; float: left; position: relative;">
        <img style="height: 100px; " [src]="getUrl(res.path)"/>
        <mdl-icon (click)="deleteImg(i)" style="position: absolute; color: red; cursor: pointer; right: 0;">delete</mdl-icon>
    </div>
    </div>
<div id="file-btn-container"></div>